Editor's note: Part of an occasional series on the #homestretch to Election Day with GOP nominee Mitt Romney
En route Des Moines, Iowa (CNN) - With 28 days to go, can you tell us how to get away from Sesame Street?
It doesn't take a campaign report from Kermit the Frog to figure out Mitt Romney woke up to the equivalent of an Oscar the Grouch style ad from the Obama campaign this morning.
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Mocking the GOP nominee for threatening to take the axe to federal funding for public broadcasting at last week's presidential debate, the spot's narrator intones breathlessly: "Mitt Romney knows it's not Wall Street you have to worry about, it's Sesame Street."
Step aside Big Labor and Big Oil. Is Big Bird this year's October Surprise? Elmo... call your agent. He's not tickled.
En route to a stop in Iowa where Romney was to detail his plan for American farmers, senior campaign adviser Kevin Madden was of course asked about poultry, of the large and yellow kind.
"I just find it troubling that the president's message, the president's focus, 28 days before Election Day is Big Bird," Madden said.
"The governor is going to focus acutely on jobs and the economy and what he can do to create a better, more prosperous future for the American people," he added.
Still, Romney has yet to be pressed on how eliminating funding for PBS would have much of an effect on the deficit.
"You would need to cut PBS more than 1,000 times to fill the hole in Romney's debate promises," an Obama campaign email pointed out, announcing its new spot.
Both the Republican National Committee and the Romney campaign blasted out emails to reporters, with a reminder of what then Senator Obama said during his speech to the Democratic convention in 2008.
"If you don't have any fresh ideas, then you use stale tactics to scare the voters. If you don't have a record to run on, then you paint your opponent as someone people should run from. You make a big election about small things," Obama said.
CNN's Wolf Blitzer speaks live to Mitt Romney Tuesday on "The Situation Room" at 6 p.m. ET
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